bitcoinj

TransactionInputTest, ECKeyTest.java, ScriptPatternTest, ScriptTest, DeterministicKeyChainTest, WalletTest: replace usage of Guava `Lists.newArrayList()` with JDK `Arrays.asList()`

BaseUtils: don't mutate `string` parameter

BaseUtils: extract helper method `pad()` from `base32Decode()`

BaseUtils: remove non-throwing code from try block

BaseUtils: narrow catch to `DecoderException` from `Exception`